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173707 (2001 QL94)
Classification: Main-belt Asteroid          SPK-ID: 2173707
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120287800330991 6.066e-08  
a 2.803307830256422 2.0365e-08 au
q 2.489256673975561 1.7336e-07 au
i 3.359333709510352 6.961e-06 deg
node 336.4741768941767 8.9564e-05 deg
peri 35.66182919444719 9.3825e-05 deg
M 342.791942458553 2.8118e-05 deg
tp 2459082.447170154241
(2020-Aug-20.94717015)
0.00013429 TDB
period 1714.37021200513
4.69
1.8682e-05
5.115e-08
d
yr
n .2099896495395493 2.2883e-09 deg/d
Q 3.117358986537282 2.2647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      8825 days (24.16 yr)  
   first obs. used      1994-02-15  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:26:41  

Additional Information
 Earth MOID = 1.49008 au 
 Jupiter MOID = 2.3547 au 
 T_jup = 3.312 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO439994  

173707 (2001 QL94)          Discovered 2001-Aug-23 by Yeung, W. K. Y. at Desert Eagle
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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